El-Dars, F. et al. 2007. The Study of the Formation of Sodium Chromate from El-Baramiya High-Silica Chromite Ore Concentrate Using Hydrated Lime. Eurasian Chemico-Technological Journal. 9, 2 (Mar. 2007), 97–103. DOI:https://doi.org/10.18321/ectj260.